Abstract
An urgent task of both the mine surveyor service and the entire mining sector is to develop and implement in production the remote digital methods for monitoring the deformations of buildings and structures, which are located in areas influenced by underground mining operations. When developing a new methodology for determining the buildings and structures deformations, special attention is paid to improving the photogrammetric method. The study is aimed at determining the optimal conditions for digital imaging of buildings and structures in order to obtain the deformation values with the required accuracy. Based on the results of experimental work on the simultaneous different-scale images processing, the accuracy of determining the planimetric coordinates and heights of the studied points is much higher compared to the previously used methodology, in which digital models of an object are plotted from images obtained by a single camera lens, that is, with the same metric characteristics. The use of high degree of detail and fragmentation of large-scale images, as well as a significantly smaller number of small-scale images, covering the surveyed object, improve the accuracy of determining the position of points, which in turn affects the reduction of the error in combining the models.
Highlights
The iron ore deposit in the Kryvyi Rih Iron-ore Basin is developed by surface and underground mining methods
Within the framework of the treaty adopted between Kryvyi Rih National University and PJSC “Central Iron Ore Enrichment Works”, since 2011 an observation station has been established on the territory of the “named after Ordzhonikidze” mine and adjacent territories, on the benchmarks of the profile lines of which regular surveying observations are performed
Experimental work on monitoring the deformations of buildings and structures located in areas of the terrain exposed to the influence of underground mining operations was performed for objects located in the zone of the “named after Ordzhonikidze” mine influence
Summary
The iron ore deposit in the Kryvyi Rih Iron-ore Basin is developed by surface and underground mining methods. Scientists in our and other countries are studying the consequences of such aggressive intervention and developing measures to preserve the environment This is the reason for the emergence of new research directions and objectives. Most of the scientists’ research is devoted to studying the possibility of minimizing the negative impact of human activity on the environment and reducing negative economic consequences by proposing methods of nonlinear prediction, numerical analysis of the surface state [15 – 18]. One of the most important tasks is to ensure the safety of people life and health It is the rapid change in the environment by humans that leads to global and regional problems on the planet.
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